This NewBeat cordless packaging machine, specifically model NBT-CPM-21A, features a brushless motor design.The set includes a 21V battery, a charger, and spare parts packaged in a branded green box.It is marketed for efficiently sewing bags, with some similar 21V models reaching speeds of 1500-1700 stitches per minute.This tool is similar in function to industrial electric bag closing machines like the GK9-500DTR.